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All Journal Indonesian Journal of Artificial Intelligence and Data Mining
Erna Budhiarti Nababan
Universitas Sumatra Utara
Computer Science & IT

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Deep Support Vector Data Description for Anomaly Detection in Credit Insurance Claim Processes Sari Ramadhana; Erna Budhiarti Nababan; Opim Salim Sitompul
Indonesian Journal of Artificial Intelligence and Data Mining Vol. 8 No. 3 (2025): November 2025
Publisher : Universitas Islam Negeri Sultan Syarif Kasim Riau

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Abstract

This study evaluates Deep Support Vector Data Description (Deep-SVDD) for anomaly detection in credit insurance claim submissions processed through host-to-host systems. The model addresses irregularities such as duplicate claims, inconsistent values, and delayed reporting by learning normal claim behavior in a latent space and applying calibrated thresholds. Using a dataset of 5,000 claims with mixed-type variables, Deep-SVDD achieved strong performance on the validation set, with high precision, recall, and ROC-AUC. Confusion matrix and Recall@K analyses confirmed low false alarms and effective anomaly ranking, capturing a substantial portion of anomalies among top-ranked claims. These results demonstrate Deep-SVDD’s potential as a scalable and efficient early detection layer, improving transparency and reliability in credit insurance claim verification.
Co-Authors Opim Salim Sitompul Sari Ramadhana